@charset "utf-8";
@import "reset";
body{
    background: seagreen;
}
.wrap{
	margin: 75px auto 0;
	width: 1000px;
.chart{
	    width: 300px;
	    height: 300px;
	    font-size: 0;
	    background: #fff;
	    position: relative;
	    .square-background{
	        display: inline-block;
	        width: 100px;
	        height: 100px;
	        border: 1px solid #fff;
	        background: #fff;
	        border-radius: 7px;
	        box-shadow: 0px 0px 8px #fff;
            transition-property: background-position;
            transition-duration: 300ms;
            transition-timing-function: ease-in-out;
            position: absolute;
        }
        .square-background1{
	        background: url(../img/Jigsawpuzzle.jpg)
	        0 0 no-repeat
	        ;
        
	       }//布局
	.explain{
		width:500px;
		margin-left: 75px;
		.start{
		    width: 170px;
		    height: 30px;
		    text-align: center;
		    line-height: 30px;
		    background: #fff;
		    cursor: pointer;
		}//开始
		.option{
		    width: 170px;
            height: 30px;
            margin-top: 20px;
            text-align: center;
            line-height: 30px;
            background: #fff;
            cursor: pointer;
            .number{
                display: inline-block;
            }
            .triangle{
                display: inline-block;
                width: 0;
                height: 0;
                border-top:7px solid #999;
                border-left: 7px solid transparent;
                border-right: 7px solid transparent;
                vertical-align: middle;
            }
		}//选项
		.hidden-options{
            visibility: hidden;
            height: 30px;
            margin-top: 2px;
            li{
                display: inline-block;
                width: 140px;
                height: 30px;
                line-height: 30px;
                text-align: center;
                background: mistyrose;
                cursor: pointer;
            }
    }//隐藏选项卡
		.text{
	        line-height: 28px;
		}//游戏说明
	}
	.mouseOn{
                border-right: none;
                border-bottom: none;
                border-top: solid 2px #aaa;
                border-left: solid 2px #aaa;
    }
    .hover {
                opacity: 0.8;
                box-shadow: 0px 0px 8px #000;
                z-index: 20;
                border: 1px solid #09F;
                }
}//外边框